I reckon she's saying she'll never live up to his idealised woman, perhaps a past lover he'll never get over... She will love him and leave him because she can never have him fully, as she will never be the woman he truly wants/had.
I reckon she's saying she'll never live up to his idealised woman, perhaps a past lover he'll never get over... She will love him and leave him because she can never have him fully, as she will never be the woman he truly wants/had.